function plainballup(which) {
	document.images[which].src="../images/btn_blue_black_18-over.gif";
	return true;
	}
function plainballout(which) {
	document.images[which].src="../images/btn_blue_black_18.gif";
	return true;
	}




function backballup(which) {
	document.images[which].src="../images/btn_blue_18_top_bg-over.gif";
	return true;
	}
function backballout(which) {
	document.images[which].src="../images/btn_blue_18_top_bg.gif";
	return true;
	}